The Old World consists of those parts of
Earth known to
Europeans,
Asians, and
Africans in the 15th century before the voyages of
Christopher Columbus; it includes
Europe,
Asia, and
Africa (collectively known as
Africa-Eurasia), plus surrounding islands. The term is in distinction from the
New World, meaning
the Americas and
Australasia.
Although the interiors of Asia and Africa were not well known to Europeans at the time, their existence was known, as was
Japan, which is also considered Old World.
Oceania and
Antarctica are neither definitively Old World nor New World, since the terms "Old World" and "New World" predate their discovery by Europeans.
See also
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Eastern Hemisphere
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Africa-Eurasia
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Eurocentrism
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New World
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Age of Exploration
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Far East
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Synoptic table of the principal old world prehistoric cultures